Keysight FieldFox B Series User Manual page 559

Power Meter (USB/LAN) Mode - Option 302
Supported Power Sensors
For a complete list of supported Keysight USB and LAN Power Sensors, please
visit:
The FieldFox does NOT support the following Keysight USB and LAN Power
Sensor features: External Triggering (Time Gated Burst Power
Measurement), Power Sweep Operation, and Frequency Sweep Operation.
External Zeroing is NOT allowed on the U2020 X-series Power Sensors.
Please refer to your USB and LAN Power Sensor User's Guide and observe
the damage levels of your device.
How to Connect a USB Power Sensor
Connect your Power Sensor to one of the FieldFox USB ports.
IMPORTANT! When a USB power sensor is initially connected to the
FieldFox, it may take ~10 seconds for the USB power sensor to finish
zeroing and for the FieldFox to recognize the USB power sensor. If your
USB power sensor is not operating as expected:
—
—
—
Use an attenuator between the DUT and the power sensor when
measuring power levels that are higher than +20 dBm. The attenuator
value can be subtracted from the measurement using the Offset feature,
discussed in
A sequence of status lights are displayed on the base of the power sensor,
when the FieldFox is in Power Meter (USB Sensor) mode.
— Green blinking light indicates the power sensor is communicating or
— Amber light indicates Zeroing is being performed.
Keysight N9938-90006 User's Guide
www.keysight.com/find/usbsensorsforfieldfox
Verify the latest firmware is loaded on the FieldFox. Refer to
www.keysight.com\find\fieldfoxsupport.
Verify the latest firmware is loaded on the Power Sensor. Refer to
https://www.keysight.com/main/editorial.
Remove and re-connect the USB power sensor
"Relative and Offset Power Measurements" on page
self-tests are being performed. Because the FieldFox is usually
communicating with the power sensor when it is connected, this is the
normal mode of operation.
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